introspection → include Relation

File in smacc2/src/smacc2/introspection	Includes file in smacc2/include
reflection.cpp	smacc2 / introspection / introspection.hpp
string_type_walker.cpp	smacc2 / common.hpp
string_type_walker.cpp	smacc2 / introspection / smacc_type_info.hpp